Seneca, OR Weather & Growing Conditions
Tonight
36°F
Mostly Clear
Mostly clear. Low around 36, with temperatures rising to around 39 overnight. Northwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 36°F | Mostly Clear | 2 mph NW | 1% |
| Saturday | 73°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 37°F | Partly Cloudy | 0 to 3 mph N | 0% |
| Sunday | 77°F | Sunny | 0 to 3 mph SE | 0% |
| Sunday Night | 38°F | Mostly Clear | 2 mph SE | 0% |
| Monday | 79°F | Sunny | 0 to 3 mph SW | 0% |
| Monday Night | 40°F | Partly Cloudy | 0 to 3 mph N | 0% |
| Tuesday | 79°F | Sunny | 0 to 6 mph W | 0% |
| Tuesday Night | 38°F | Mostly Clear | 0 to 6 mph N | 0% |
| Wednesday | 77°F | Sunny | 0 to 8 mph SW | 1% |
| Wednesday Night | 38°F | Partly Cloudy | 1 to 7 mph N | 1% |
| Thursday | 77°F | Mostly Sunny | 1 to 8 mph S | 0% |
| Thursday Night | 38°F | Partly Cloudy | 1 to 7 mph N | 2% |
| Friday | 72°F | Mostly Sunny | 1 to 10 mph SW | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Seneca, OR
Growing season
24 days
Hardiness zone
5b
Explore more for Seneca, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Seneca, Or (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.